/*
  Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.

  The MySQL Connector/C++ is licensed under the terms of the GPLv2
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
  MySQL Connectors. There are special exceptions to the terms and
  conditions of the GPLv2 as it is applied to this software, see the
  FLOSS License Exception
  <http://www.mysql.com/about/legal/licensing/foss-exception.html>.

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published
  by the Free Software Foundation; version 2 of the License.

  This program is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  for more details.

  You should have received a copy of the GNU General Public License along
  with this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/

#ifndef _MYSQL_PS_RESULTSET_H_
#define _MYSQL_PS_RESULTSET_H_

#include <boost/scoped_ptr.hpp>
#include <boost/shared_ptr.hpp>
#include <cppconn/resultset.h>
#include <config.h>


#include "nativeapi/mysql_private_iface.h"
namespace sql
{
    namespace mysql
    {
        class MySQL_Prepared_Statement;
        class MySQL_DebugLogger;
        class MySQL_PreparedResultSetMetaData;
        class MySQL_ResultBind;

        namespace NativeAPI
        {
            class NativeStatementWrapper;
        }

        class MySQL_Prepared_ResultSet : public sql::ResultSet
        {
        private:
            MYSQL_ROW row;

            boost::shared_ptr< NativeAPI::NativeStatementWrapper > proxy;

            mutable int last_queried_column;  // this is updated by calls to getInt(int), getString(int), etc...

            unsigned int num_fields;
            uint64_t num_rows;
            uint64_t row_position;

            typedef std::map< sql::SQLString, unsigned int > FieldNameIndexMap;

            FieldNameIndexMap field_name_to_index_map;
            bool was_null;

            const MySQL_Prepared_Statement* parent;

            bool is_valid;

            boost::shared_ptr< MySQL_DebugLogger > logger;

            boost::scoped_ptr< MySQL_PreparedResultSetMetaData > rs_meta;

            boost::shared_ptr< MySQL_ResultBind > result_bind;

            sql::ResultSet::enum_type resultset_type;

        protected:
            void checkValid() const;
            void checkScrollable() const;
            bool isScrollable() const;
            void closeIntern();
            bool isBeforeFirstOrAfterLast() const;
            void seek();

            int64_t getInt64_intern(const uint32_t columnIndex, bool cutTooBig) const;
            uint64_t getUInt64_intern(const uint32_t columnIndex, bool cutTooBig) const;

        public:
            MySQL_Prepared_ResultSet(boost::shared_ptr< NativeAPI::NativeStatementWrapper > & s,
                                     boost::shared_ptr< MySQL_ResultBind > & r_bind, sql::ResultSet::enum_type rset_type,
                                     MySQL_Prepared_Statement* par, boost::shared_ptr< MySQL_DebugLogger > &l);

            virtual ~MySQL_Prepared_ResultSet();

            bool absolute(int row);

            void afterLast();

            void beforeFirst();

            void cancelRowUpdates();

            void clearWarnings();

            void close();

            uint32_t findColumn(const sql::SQLString& columnLabel) const;

            bool first();

            std::istream* getBlob(uint32_t columnIndex) const;
            std::istream* getBlob(const sql::SQLString& columnLabel) const;

            bool getBoolean(uint32_t columnIndex) const;
            bool getBoolean(const sql::SQLString& columnLabel) const;

            int getConcurrency();

            SQLString getCursorName();

            long double getDouble(uint32_t columnIndex) const;
            long double getDouble(const sql::SQLString& columnLabel) const;

            int getFetchDirection();
            size_t getFetchSize();
            int getHoldability();

            int32_t getInt(uint32_t columnIndex) const;
            int32_t getInt(const sql::SQLString& columnLabel) const;

            uint32_t getUInt(uint32_t columnIndex) const;
            uint32_t getUInt(const sql::SQLString& columnLabel) const;

            int64_t getInt64(uint32_t columnIndex) const;
            int64_t getInt64(const sql::SQLString& columnLabel) const;

            uint64_t getUInt64(uint32_t columnIndex) const;
            uint64_t getUInt64(const sql::SQLString& columnLabel) const;

            sql::ResultSetMetaData* getMetaData() const;

            size_t getRow() const;

            sql::RowID* getRowId(uint32_t columnIndex);
            sql::RowID* getRowId(const sql::SQLString& columnLabel);

            const sql::Statement* getStatement() const;

            SQLString getString(uint32_t columnIndex) const;
            SQLString getString(const sql::SQLString& columnLabel) const;

            sql::ResultSet::enum_type getType() const;

            void getWarnings();

            bool isAfterLast() const;

            bool isBeforeFirst() const;

            bool isClosed() const;

            void insertRow();

            bool isFirst() const;

            bool isLast() const;

            bool isNull(uint32_t columnIndex) const;

            bool isNull(const sql::SQLString& columnLabel) const;

            bool last();

            void moveToCurrentRow();

            void moveToInsertRow();

            bool next();

            bool previous();

            void refreshRow();

            bool relative(int rows);

            bool rowDeleted();

            bool rowInserted();

            bool rowUpdated();

            size_t rowsCount() const;

            void setFetchSize(size_t rows);

            bool wasNull() const;
        };

    } /* namespace mysql*/
} /* namespace sql*/

#endif // _MYSQL_PS_RESULTSET_H_

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: noet sw=4 ts=4 fdm=marker
 * vim<600: noet sw=4 ts=4
 */
